Musk will pay about $44 billion, or $54.20 a share, to take the social media company private, according to an announcement from Twitter. Twitter has struck a deal with Elon Musk, handing the world's richest man control of a social network that has far-reaching influence on politics and society. Elon Musk, Tesla Motors CEO, speaks at the Tesla Giga Texas manufacturing 'cyber rodeo' grand opening party in Austin, Texas on April 7.